Hallsville — Plant Summary
- EIA Plant ID
- 68417
- Capacity
- 450 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Planned
- Location
- Harrison, TX
- Operating Since
- —
- Generators
- 2
- Operator
- Southwestern Electric Power Co
- Parent Company
- American Electric Power Company
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Hallsville
PlannedNatural Gas
Ranked #89 of 313 Natural Gas plants in TX#516 of 2009 nationally
450 MW Natural Gas planned in Harrison, TX — Southwest Power Pool
EIAGEM
450 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
Planned: —
Planned Operation
Location
Coordinates
32.4607, -94.4852
County
Harrison, TX
Nearby Plants
- Harrison County Power ProjectNatural Gas570 MW · 8.5 km
- Snider IndustriesWood Waste5 MW · 16.4 km
- Knox LeeNatural Gas351 MW · 17.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southwestern Electric Power Co | Southwestern Electric Power | — |
| Owner(s) | Southwestern Electric Power Co | American Electric Power Company | — |
| Status | Planned | — | — |
Ownership Chain
About
The Hallsville power plant is a 450 MW natural gas-fired facility located in Harrison County, Texas. It is owned by American Electric Power Company and operated by Southwestern Electric Power Co. The plant consists of two natural gas-fired combustion turbine generators. Hallsville is ranked as the 89th largest power plant in Texas out of 144, and 517th nationally out of 945.
The plant's balancing authority is the Southwest Power Pool (SPP), and it is located within the Midwest Reliability Organization (MRO) NERC region. Hallsville is tracked by energy industry news, with 10 articles mentioning the plant, including 8 focused on industry trends and 2 on regulatory matters.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Pirkey Substation · 345 kV
Substation Distance
< 10 km
Operator
Southwestern Electric Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
—
Pricing Hub
SPP South Hub
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
News & Articles (10)Beta
Regulatory·rate case
Entergy, SWEPCO file for rate increases to fund construction of 3 natural gas-fired power plants
It didn't take two of Arkansas' largest electric utilities long to propose power generation projects under a new law that retooled how...
Entergy (operator)SWEPCO (operator)
The Arkansas Democrat-Gazette·7 months ago
Industry·corporate
Idled lignite-fueled power plant being converted to use natural gas
HALLSVILLE, Texas (KSLA) — Some East Texans may have been hearing loud explosions in the Marshall-Hallsville area.
HALLSVILLE (other)Texas (other)
KSLA News 12·1 years ago
Industry·corporate
Pirkey Power Plant demolition causes morning surprise in East Texas
The loud explosion that was heard and felt at daylight was part of the demolition of Pirkey Power Plant in the Hallsville area.
Hallsville (other)Texas (other)
cbs19.tv·1 years ago
Industry·corporate
SWEPCO will replace retired Hallsville power plant with gas-fired facility
SHREVEPORT, LA -- Southwestern Electric Power Co. will replace its retired H.W. Pirkey Power Plant south of Hallsville, TX,...
Southwestern Electric Power Co. (operator)SWEPCO (operator)
magnoliareporter.com·1 years ago
Last updated 2026-03-14
View all 10 articles